title: Serum concentration and functional efficiency of factor B alleles.
mesh_terms: D000483:Alleles; D011415:Complement Factor B / Q000235:genetics / Q000502:physiology; D003170:Complement Pathway, Alternative; D004792:Enzyme Precursors; D006461:Hemolysis; D006801:Humans; D005779:Immunodiffusion; D010641:Phenotype
chemical_list: D004792:Enzyme Precursors; D011415:Complement Factor B